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BOSTON MARATHON 2025

Jason Bacher

Bib: 6130•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Division (M18-39)
#0 / 5642
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #4892
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
41:28
Rank: #5130 (-238)
5K → 10K
20:51 | 6:43/mi
15K· 9.32 mi
1:02:31
Rank: #5308 (-178)
10K → 15K
21:03 | 6:47/mi
20K· 12.43 mi
1:23:33
Rank: #5189 (+119)
15K → 20K
21:02 | 6:46/mi
Half· 13.11 mi
1:28:07
Rank: #5180 (+9)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:44:35
Rank: #5085 (+95)
Half → 25K
16:28 | 6:47/mi
30K· 18.64 mi
2:06:01
Rank: #4834 (+251)
25K → 30K
21:26 | 6:54/mi
20M
2:15:25
Rank: #4701 (+133)
30K → 20M
9:24 | 6:55/mi
21M
2:22:31
Rank: #4499 (+202)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:27:35
Rank: #4442 (+57)
21M → 35K
5:04 | 6:46/mi
23M
2:36:20
Rank: #4360 (+82)
35K → 23M
8:45 | 6:59/mi
24M
2:43:08
Rank: #4277 (+83)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:49:03
Rank: #4230 (+47)
24M → 40K
5:55 | 6:55/mi
25.2M
2:51:38
Rank: #4201 (+29)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:58:31
Rank: #4183 (+18)
25.2M → Finish
6:53 | 6:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:07
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:30:24
Pace6:54 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4820:376:3820:37
6:38
-
10K
6.21 mi10:46:3941:286:4020:51
6:43
+0:05
15K
9.32 mi11:07:421:02:316:4221:03
6:47
+0:04
20K
12.43 mi11:28:441:23:336:4321:02
6:46
-0:01
Half
13.11 mi11:33:181:28:076:434:34
6:42
-0:04
25K
15.53 mi11:49:461:44:356:4416:28
6:47
+0:05
30K
18.64 mi12:11:122:06:016:4621:26
6:54
+0:07
20M
20.00 mi12:20:362:15:256:469:24
6:55
+0:01
21M
21.00 mi12:27:422:22:316:477:06
7:06
+0:11
35K
21.75 mi12:32:462:27:356:475:04
6:46
-0:20
23M
23.00 mi12:41:312:36:206:488:45
6:59
+0:13
24M
24.00 mi12:48:192:43:086:486:48
6:48
-0:11
40K
24.85 mi12:54:142:49:036:485:55
6:55
+0:07
25.2M
25.20 mi12:56:492:51:386:492:35
7:29
+0:34
Finish
26.22 mi13:03:422:58:316:496:53
6:45
-0:44

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:38 /mi

Average Pace

6:49 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:56

99% of race

Time at Steady Pace

2:35

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:25:4820:376:3820:37
6:38
#4892
10K
6.21 mi10:46:3941:286:4020:51
6:43
#5130
15K
9.32 mi11:07:421:02:316:4221:03
6:47
#5308
20K
12.43 mi11:28:441:23:336:4321:02
6:46
#5189
Half
13.11 mi11:33:181:28:076:434:34
6:42
#5180
25K
15.53 mi11:49:461:44:356:4416:28
6:47
#5085
30K
18.64 mi12:11:122:06:016:4621:26
6:54
#4834
20M
20.00 mi12:20:362:15:256:469:24
6:55
#4701
21M
21.00 mi12:27:422:22:316:477:06
7:06
#4499
35K
21.75 mi12:32:462:27:356:475:04
6:46
#4442
23M
23.00 mi12:41:312:36:206:488:45
6:59
#4360
24M
24.00 mi12:48:192:43:086:486:48
6:48
#4277
40K
24.85 mi12:54:142:49:036:485:55
6:55
#4230
25.2M
25.20 mi12:56:492:51:386:492:35
7:29
#4201
Finish
26.22 mi13:03:422:58:316:496:53
6:45
#4183
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4892457745775813(Top 20%)5296(Top 33%)5296(Top 94%)
10K6.21 mi3.10 mi5130-2384777-2004777-2005425(Top 19%)5009(Top 31%)5009(Top 89%)
15K9.32 mi3.11 mi5308-1784923-1464923-1465813(Top 20%)5296(Top 33%)5296(Top 94%)
20K12.43 mi3.11 mi5189+1194809+1144809+1144986(Top 18%)4602(Top 29%)4602(Top 82%)
Half13.11 mi0.68 mi5180+94803+64803+65157(Top 18%)4752(Top 30%)4752(Top 84%)
25K15.53 mi2.42 mi5085+954715+884715+884793(Top 17%)4408(Top 27%)4408(Top 78%)
30K18.64 mi3.11 mi4834+2514471+2444471+2444063(Top 14%)3739(Top 23%)3739(Top 66%)
20M20.00 mi1.36 mi4701+1334356+1154356+1153612(Top 13%)3328(Top 21%)3328(Top 59%)
21M21.00 mi1.00 mi4499+2024176+1804176+1802674(Top 9%)2484(Top 15%)2484(Top 44%)
35K21.75 mi0.75 mi4442+574119+574119+573915(Top 14%)3515(Top 22%)3515(Top 62%)
23M23.00 mi1.25 mi4360+824037+824037+823680(Top 13%)3324(Top 21%)3324(Top 59%)
24M24.00 mi1.00 mi4277+833955+823955+823493(Top 12%)3128(Top 19%)3128(Top 55%)
40K24.85 mi0.85 mi4230+473907+483907+483443(Top 12%)3062(Top 19%)3062(Top 54%)
25.2M25.20 mi0.35 mi4201+293877+303877+303326(Top 12%)2916(Top 18%)2916(Top 52%)
Finish26.22 mi1.02 mi4183+183853+243853+244202(Top 15%)3579(Top 22%)3579(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5813

Males

5296

M18-39

5296

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5425

Males

5009

M18-39

5009

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5813

Males

5296

M18-39

5296

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4986

Males

4602

M18-39

4602

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5157

Males

4752

M18-39

4752

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4793

Males

4408

M18-39

4408

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

4063

Males

3739

M18-39

3739

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3612

Males

3328

M18-39

3328

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2674

Males

2484

M18-39

2484

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3915

Males

3515

M18-39

3515

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3680

Males

3324

M18-39

3324

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3493

Males

3128

M18-39

3128

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3443

Males

3062

M18-39

3062

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3326

Males

2916

M18-39

2916

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4202

Males

3579

M18-39

3579

Passing Analysis

Category:
Athletes Passed
1635
Passed By
926
Net Change
+709
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4892
5K → 10K95333-238#4892#5130
10K → 15K74252-178#5130#5308
15K → 20K18667+119#5308#5189
20K → Half3526+9#5189#5180
Half → 25K15257+95#5180#5085
25K → 30K29544+251#5085#4834
30K → 20M15017+133#4834#4701
20M → 21M2075+202#4701#4499
21M → 35K7316+57#4499#4442
35K → 23M10523+82#4442#4360
23M → 24M9411+83#4360#4277
24M → 40K7326+47#4277#4230
40K → 25.2M378+29#4230#4201
25.2M → Finish5941+18#4201#4183
TOTALS1635926+709
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing